A259986 This sequence and A259987 are base-6 analogs of A007185 and A016090, written in base 10.

3, 9, 81, 81, 6561, 29889, 76545, 636417, 3995649, 24151041, 326481921, 689278977, 11573190657, 76876660737, 155240824833, 2035980763137, 4857090670593, 55637069004801, 157197025673217, 1375916505694209, 19656708706009089, 129341461907898369

Offset: 1

Author

N. J. A. Sloane, Jul 13 2015

Keywords

• nonn
• base

Comments

See Schut (1991) for precise definition.

Ignoring repetitions, the subsequence of A237583 of terms ending in 3 in base 6. - Eric M. Schmidt, Jul 18 2015

References

• C. P. Schut, Idempotents. Report AM-R9101, Centrum voor Wiskunde en Informatica, Amsterdam, 1991.

Links

• Eric M. Schmidt, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A007185, A016090, A201821, A237583, A259986-A259991.

Programs

Sage

def a(n) : return crt(1, 0, 2^n, 3^n) # Eric M. Schmidt, Jul 18 2015

Extensions

More terms from Eric M. Schmidt, Jul 18 2015